
public class overld {
	
	public int add(int a, int b)
	{
		return a+b;
	}
	
	public float add(float a, float b)
	{
		return a+b;
		
	}

	public double add(double a, double b)
	{
		return a+b;
		}
}


class Test {
	
	public static void main(String[] args)
	{
	
	overld o = new overld();
	{
		System.out.println("10+5 is : " +o.add(10, 5));
		System.out.println("2.1+2.1 is :" +o.add(2.1f, 2.1f));
		System.out.println("2.001+5.001 is :" +o.add(2.001, 5.001));
}
}
}